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>> Citrix XenApp Access Gateway Filters Security Bypass Vulnerability

Title : Citrix XenApp Access Gateway Filters Security Bypass Vulnerability
VUPEN ID : VUPEN/ADV-2009-1154
CVE ID : CVE-2009-2453
CWE ID : VUPEN VNS Only
CVSS V2 : VUPEN VNS Only
Rated as : Low Risk 
Remotely Exploitable : Yes
Locally Exploitable : Yes
Release Date : 2009-04-23


Technical Description    Receive VUPEN Security alerts in a Text format  Receive VUPEN Security alerts in a PDF format  Receive VUPEN Security alerts in an XML format 

A vulnerability has been identified in Citrix XenApp (formerly Presentation Server), which could be exploited to bypass security restrictions. This issue is caused due the access policies defined using the Access Gateway filters not being properly applied, which could allow attackers to gain unauthorized access to certain resources.

Affected Products

Citrix XenApp (formerly Presentation Server) version 4.5 Hotfix Rollup Pack 3

Solution

Upgrade to Citrix XenApp version 4.5 Hotfix Rollup Pack 3 :
http://support.citrix.com/article/CTX118792

References

http://www.vupen.com/english/advisories/2009/1154
http://support.citrix.com/article/CTX118792

Credits

Vulnerability reported by the vendor.

ChangeLog

2009-04-23 : Initial release

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